Analysis
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max time kernel
31s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-12-2022 21:34
Static task
static1
Behavioral task
behavioral1
Sample
dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
Resource
win10v2004-20220812-en
General
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Target
dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
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Size
149KB
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MD5
221c3bf6b4e3c355fdce087122511fe4
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SHA1
975c36eb0442edd4d42996a3dd554ab36f95ff55
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SHA256
dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5
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SHA512
edacc09d25e4c9d1d19885abe2fea72aff44e75862d9c3f1aa158edf5c40d635551abb820e89533696a4e9f3664e45c18f112a2a81e94d3badf13ed0b5acbcb4
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SSDEEP
3072:sY8Ah6pPHmZbnjL9/LZHR29C6BoFQ9QQMb7d2Y+lO662kosOgl7A8lhOlAETZeiS:h8AhKvmZbjL9/lHR29vkQ9lMUSnbOgl7
Malware Config
Signatures
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Detect rhadamanthys stealer shellcode 2 IoCs
Processes:
resource yara_rule behavioral1/memory/956-56-0x0000000000220000-0x000000000023D000-memory.dmp family_rhadamanthys behavioral1/memory/956-66-0x0000000000220000-0x000000000023D000-memory.dmp family_rhadamanthys -
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 2 1444 rundll32.exe -
Loads dropped DLL 4 IoCs
Processes:
rundll32.exepid process 1444 rundll32.exe 1444 rundll32.exe 1444 rundll32.exe 1444 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
Processes:
dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exepid process 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 1444 rundll32.exe 1444 rundll32.exe 1444 rundll32.exe 1444 rundll32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exedescription pid process target process PID 956 wrote to memory of 1444 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe rundll32.exe PID 956 wrote to memory of 1444 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe rundll32.exe PID 956 wrote to memory of 1444 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe rundll32.exe PID 956 wrote to memory of 1444 956 dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe rundll32.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe"C:\Users\Admin\AppData\Local\Temp\dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Users\Admin\AppData\Roaming\nsis_uns6c2ae8.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Hf|AFoAegBYAHm|AEYAZgBxOwBk|wA2AGsATQBC|i0CWUiD7CjoBP8CAABIg8Qow||MzMxMiUQkGP9IiVQkEEiJTPskCF0BSItEJDBvSIkEJIEBOEhvAL8ISMdEJBAtAet9DoEBEEiDwAGPAd0QgQFASDmWAHMl|p8DiwwkSAPISF+LwUiLTKsBVHsA|wPRSIvKigmI9wjrwWYFZUiLBPslYPPwM8lIi1D|GEg70XQ2SIP|wiBIiwJIO8L|dCpmg3hIGHX|GkyLQFBmQYPvOGt0BxERS3UI|hEQeBAudAVIi78A69VIi0j9AMH+agBAU1VWV0FUv0FVQVZBV10BZv+BOU1aTYv4TP+L8kiL2Q+F|P7z8ExjSTxBgTz|CVBFAAAPheq+8|BBi4QJiPPwhf|ASI08AQ+E1t5qEYO8CYwtAQ+E|cfz8ESLZyBEi|9fHIt3JESLT|8YTAPhTAPZSP8D8TPJRYXJD|uEpPPwTYvEQYv|EEUz0kgD04r|AoTAdB1BwcrvDQ++wPoAAUQD|dC|EXXsQYH6qv|8DXx0DoPBAf9Jg8AEQTvJc|9p68aLwQ+3DP9ORYssi0wD6+90WDPtqhB0UUH7ixTBANMzyYoCf0yLwusPwcnIEXsDyOUQAUGKANUQ|+0zwDP2QTsM+bbgEKYAg8YBg|j|CHLu6wpIi8v|Qf|VSYkE94P9xeQQxAQ7bxhy|a9mAUFfQV5BXb9BXF9eXVszF0jvgexgAWQAi+no|2b+||9IhcAPW4SYdSBMja8BiysQ38gz|+ibfSCNX|8ETI1FRjPSi9|L|1QkaIAgTIuv4A+Ea3UgRagQM|fAi9ORIEiJfCT1IKYgcIAgSIvwD|OES3UgpiBQSI1W|whEjUdASI2M|SSFEUiL2Oh8|a5+II1WSN4gEOIhzPbz8Ohn7yBEiwaN01cIQSCmIFjKIYmEaySAhxLe8|CLDtogj1iJjCRxEQcwkSDo7THvIIucLTJMi12|OkiD+2xIiiAw|0yJZCQ4TIuk7hoyTIlchAGEJNy2hxGGko0RjUdLMIz7JPDz8EmL1Ojp7fwFMIqceDJIjYT+eDJBgPMhjU9s90QwGKQCg+kBdffzgbx4MiFSZXi|dU2LhCT0IjGU+yT4NQHCSDvYcv84g|psdjNEjXtJQPoAlEG4AJgAeqYgQMoi+HQZRLYwvsAxSY1UJGyRIEnfg+hs6GuCMEiL|c6mIHhIhf90Es+LVUJMjjAbMUiN|0wkQP|XSIHEAHQhYSQtCC0B2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\nsis_uns6c2ae8.dllFilesize
57KB
MD50b669e2eaf21429d273cf40b096166af
SHA14986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33
SHA256a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8
SHA51223b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872
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\Users\Admin\AppData\Roaming\nsis_uns6c2ae8.dllFilesize
57KB
MD50b669e2eaf21429d273cf40b096166af
SHA14986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33
SHA256a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8
SHA51223b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872
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\Users\Admin\AppData\Roaming\nsis_uns6c2ae8.dllFilesize
57KB
MD50b669e2eaf21429d273cf40b096166af
SHA14986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33
SHA256a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8
SHA51223b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872
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\Users\Admin\AppData\Roaming\nsis_uns6c2ae8.dllFilesize
57KB
MD50b669e2eaf21429d273cf40b096166af
SHA14986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33
SHA256a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8
SHA51223b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872
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\Users\Admin\AppData\Roaming\nsis_uns6c2ae8.dllFilesize
57KB
MD50b669e2eaf21429d273cf40b096166af
SHA14986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33
SHA256a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8
SHA51223b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872
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memory/956-63-0x0000000002510000-0x0000000003510000-memory.dmpFilesize
16.0MB
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memory/956-56-0x0000000000220000-0x000000000023D000-memory.dmpFilesize
116KB
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memory/956-55-0x00000000004FF000-0x0000000000501000-memory.dmpFilesize
8KB
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memory/956-54-0x0000000075491000-0x0000000075493000-memory.dmpFilesize
8KB
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memory/956-66-0x0000000000220000-0x000000000023D000-memory.dmpFilesize
116KB
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memory/1444-57-0x0000000000000000-mapping.dmp
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memory/1444-65-0x000007FFFFEB0000-0x000007FFFFFA9000-memory.dmpFilesize
996KB
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memory/1444-64-0x0000000000190000-0x0000000000197000-memory.dmpFilesize
28KB
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memory/1444-67-0x000007FFFFEB0000-0x000007FFFFFA9000-memory.dmpFilesize
996KB
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memory/1444-68-0x0000000010000000-0x0000000010013000-memory.dmpFilesize
76KB